276 results about "Arthroscopes" patented technology

The invention relates to the technical field of medical apparatus and instruments, and discloses a multi-degree-of-freedom flexible arthroscope bite forceps which comprise a handle shell, a rigid connecting pipe is fixedly connected to the front end of the handle shell, and a driving handle is hinged to the rear end of the handle shell; the bite forceps assembly comprises a flexible pipe and a bite forceps head, one end of the flexible pipe is connected with the rigid connecting pipe, the bite forceps head is detachably connected with the other end of the flexible pipe, and the driving handle is connected with the bite forceps head and is configured to enable the bite forceps head to be meshed when the driving handle is pinched; the control assembly comprises two control pieces, the two control pieces are arranged in the handle shell respectively, the top ends of the two control pieces stretch out of the handle shell to be fixedly connected with a rotary knob, and the two control pieces are connected with the bite forceps head respectively and are configured to drive the bite forceps head to conduct vertical / transverse angle adjustment when the rotary knob is manually screwed. Multi-degree-of-freedom rotation operation of the arthroscope bite forceps is achieved, the operation flexibility of surgeons is guaranteed, and the operation efficiency is improved.

An optical cannula system can include a cannula, a body, a first tube, a second tube, and a valve assembly. An outer cannula wall can define an interior space extending along an axis of the cannula. One or more inner cannula walls within the outer cannula wall can divide the interior space into a first channel and a second channel. A proximal portion of the cannula can be received within the body. The first and second tubes can extend from the body. The valve assembly can have a first configuration in which the first tube is in fluid communication with the first channel and the second tube is in fluid communication with the second channel. The valve assembly can have a second configuration in which the first tube is in fluid communication with the second channel and the second tube is in fluid communication with the first channel.

The invention discloses a joint injury identification method and system based on arthroscopic imaging. The method comprises the steps that an original image, collected by an arthroscope, of intra-articular tissue is acquired; sequentially performing denoising, artifact removal and deblurring processing on the original image to obtain a preliminary original image; performing corresponding semantic segmentation according to the initial original image so as to segment sub-regions corresponding to different tissues on the initial original image, and performing image enhancement on the different sub-regions by adopting corresponding image enhancement strategies to obtain a target image; and performing visual display on the target image through a display device so as to perform joint injury identification on the current joint. According to the method, arthroscope imaging is enhanced, and medical staff are assisted in recognizing the joint injury state.

A system configured for registration of arthroscopic video images to preoperative models includes one or more computing devices configured to identify an anatomical structure represented in diagnostic video data, register one of a plurality of anatomical structures in a three-dimensional (3D) anatomical model to the anatomical structure represented in the diagnostic video data, the 3D anatomical model being generated from preoperative image data, track the anatomical structure intraoperatively based on the registered one of the plurality of anatomical structures, generate a simulated projected view of the registered one of the plurality of anatomical structures from the 3D anatomical model based on a determined orientation of the arthroscope during capture of intraoperative video data, and output the simulated projected view scaled and oriented based on one or more landmark features of the anatomical structure extracted from the intraoperative video data.

The invention discloses a multi-degree-of-freedom lifting mechanism and a lifting frame for arthroscope perfusate. The invention relates to the technical field of medical instruments. The device is composed of a vehicle body, a lifting mechanism, a clamping assembly and a space angle adjusting mechanism. The trolley body is designed to be movable and can be conveniently and flexibly positioned in an operating room. The lifting mechanism is connected with the clamping and fixing assembly through a vertically-arranged ball screw assembly, and accurate lifting control over the clamping and fixing assembly is achieved. The clamping and fixing assembly is used for clamping and fixing the perfusate bag to ensure stable supply of perfusate in the operation process; according to the technology, free adjustment of pitching, yawing and rolling angles of the perfusion pipe in a three-dimensional space is achieved through the spherical gear mechanism, and the flexibility of the perfusion system is improved. A doctor can quickly and accurately adjust the angle of the infusion tube according to the specific anatomical structure of a surgical site, it is ensured that liquid can be accurately flushed, a blind area is effectively avoided, and the definition of the surgical field is improved.

The invention discloses an orthopaedic arthroscope puncture instrument, and belongs to the field of medical instruments, the orthopaedic arthroscope puncture instrument comprises a popliteal space base plate, the top of the popliteal space base plate is provided with a binding assembly, the binding assembly comprises an arc-shaped frame movably mounted on the right side of the top of the popliteal space base plate, and the arc-shaped frame inclines leftwards in an arc shape; a first bandage is fixedly installed on the left side of the top of the arc-shaped frame, a binding frame is fixedly installed on the left side of the top of the popliteal space cushion plate, and a hand frame auxiliary component is arranged in the arc-shaped frame. According to the arthroscope puncture instrument, the capability of holding the arthroscope puncture instrument by a medical worker can be simulated, so that the medical worker does not need to hold the arthroscope puncture instrument constantly, and the problems that the medical worker feels weak when holding the arthroscope puncture instrument for a long time, a monitoring picture shakes and even the knee joint of a patient is injured are solved.

Systems for fusing arthroscopic video data are described. A system comprises an arthroscopic assembly, an inertial measurement unit (IMU) mounted on the arthroscopic assembly, a processor, and a processor-readable storage medium. An arthroscopic surgical plan, images from the arthroscopic assembly, and measurements from the IMU may be obtained. The images and the measurements may be combined to form a data combination. The data combination may be filtered to form a fused data set. The fused data set may control a device. A map of an arthroscopic surgical site may be created based on the fused data set, and a position of the arthroscopic assembly with respect to the arthroscopic surgical site may be calculated. The arthroscopic surgical plan may be updated based on at least one of the map of the arthroscopic surgical site and the position of the arthroscopic assembly.

The invention discloses a line-driven continuum arthroscope with a navigation function, and relates to the field of surgical equipment, the line-driven continuum arthroscope comprises an arthroscope arm part, the head end is provided with a plurality of channels arranged along the length direction, the channels are uniformly arranged along the circumferential direction of the arthroscope arm part, driving ropes are arranged in the channels, and the peripheral surface of the arthroscope arm part is provided with a dent structure; the image acquisition part is arranged at the tail end of the glasses arm part, and the image acquisition part comprises a tracker; the positioning system is in signal connection with the tracker, and the positioning system is connected with the driving rope through a driving mechanism; according to the arthroscope, the position of the image acquisition part can be automatically adjusted through control of the driving rope and the driving mechanism, the position of the image acquisition part is determined through the tracker, and the position of the image acquisition part can be automatically adjusted in cooperation with other surgical instruments and model reconstruction of preoperative CT and intraoperative positioning of a patient. Patient information such as anatomical structure point locations is rendered and displayed under the view of the image acquisition part, and view augmented reality navigation is achieved.

A surgical training system includes a surgical training model formed from materials that resemble bone and body tissue. The surgical training model is opaque to visible light and is partially transmissive to IR light. A complementary surgical imaging system includes an IR emitter which emits IR light across a region of interest in the surgical training model and an IR receiver which receives light which is emitted from the IR emitter and which passes through the surgical model. The system produces images which resemble medical X-ray images. The system allows for surgical training and is particular suited for procedures such as arthroscopic procedures which are reliant on medical imaging.

Joint repair device for ultra-HD 4K arthroscopy, comprising a first mounting block (1), wherein a first support frame (2) is fixedly connected to one side of the first mounting block (1), wherein a support plate (10) is slidably connected to one side of the first support frame (2) away from the first mounting block (1), and wherein a second support frame (5) is slidably connected to the side of the support plate (10) facing away from the first support frame (2); wherein a fastening mechanism (4) is provided at the rear end of the support plate (10), comprising a first fastening plate (403), wherein a second rotary knob (401) is provided on the upper surface of the first fastening plate (403), and a first helical gear (402) is provided on the lower surface of the second rotary knob (401), wherein a support seat (409) is provided in the center of the lower surface of the first fastening plate (403), and a straight rod (406) is provided on the inner wall of the support seat (409), wherein spur gears (404) are fixedly connected to both sides of the straight rod (406), and a second helical gear (405) is provided above the outer wall of the straight rod (406), wherein a support column (408) is fixedly connected to the lower surface of the first fastening plate (403), and a second fastening plate (407) is fixedly connected to the lower surface of the support column (408).and a toothed column (410) is firmly connected to the upper surface of the second mounting plate (407); , wherein inside the support plate (10) a telescopic mechanism (3) is provided which comprises a first rotary knob (301), a worm (302), a threaded rod (303), a support block (304), a first toothed groove (305), a worm gear (306), wherein a first toothed groove (305) is provided on the inner wall of the first support frame (2) and a second toothed groove (307) is provided on the inner wall of the second support frame (5).

The invention relates to the technical field of medical image processing and surgical navigation, in particular to an arthroscopic surgery real-time navigation method and system based on multi-modal image fusion, and the method comprises the following steps: S1, collecting preoperative CT (Computed Tomography) or MRI (Magnetic Resonance Imaging) data of a patient to generate a three-dimensional model, and collecting an intra-operative arthroscopic real-time video to provide input data for subsequent registration; and S2, performing image preprocessing, including denoising and enhancement, on the three-dimensional model and the arthroscope video, and extracting key anatomical features and lesion boundaries to obtain a processing result which can be used for registration. According to the method, the preoperative three-dimensional model and the intra-operative arthroscope real-time video are fused, and multi-strategy registration, closed-loop correction and dynamic updating are combined, so that continuous registration and real-time navigation of multi-modal data are realized, and the problems that the traditional arthroscope surgical navigation mostly depends on a single-modal image, and the navigation accuracy is low are solved. And the problem of insufficient intraoperative registration precision caused by lack of multi-source information fusion is solved.

The invention provides a temporomandibular arthroscope multi-angle adjusting imaging device, and relates to the technical field of medical instruments.The temporomandibular arthroscope multi-angle adjusting imaging device comprises a controller and a working rod, the working rod comprises an outer cylinder and an inner drive telescopic rod coaxially connected to the interior of the outer cylinder, one end of the outer cylinder is open, and the other end of the outer cylinder is connected with the controller; one end of the inner drive telescopic rod is connected with the controller, and the end, away from the controller, of the inner drive telescopic rod is rotationally connected with an imaging assembly. The problem that in the prior art, due to the fact that the angle is fixed, some lesions can be ignored is solved.

The utility model relates to the technical field of endoscopic surgical instruments, in particular to a disposable arthroscope which comprises a sheathing canal main body provided with a hollow cavity, a sheathing canal seat arranged at the tail end, a plug arranged at the head end, an observation channel and an instrument channel which are communicated with the hollow cavity and arranged on the plug, and a miniature camera fixedly arranged in the observation channel. A control line connected with the miniature camera penetrates through the hollow cavity to be fixed in the sheath tube seat, a line tube for the control line to penetrate through is arranged at one end, close to the sheath tube body, of the observation channel, the miniature camera abuts against the line tube, a mounting hole capable of containing the sheath tube is formed in the sheath tube seat, and the tail end of the miniature camera is inserted into the mounting hole. The sheath tube base is further provided with an instrument hole and a line hole which are communicated with the mounting hole, and the control line is fixedly arranged in the line hole. According to the disposable arthroscope, the double-channel plug is arranged at the head end of the sheathing canal, and an observation channel and an instrument channel are integrated on the same sheathing canal, so that the observation view can better meet the operation requirement, and the operation efficiency is improved.

The invention belongs to the technical field of medical instruments, and particularly relates to an arthroscope device which comprises a handle, a mounting rod and a mirror rod are sequentially mounted on the handle, and a detection lens is mounted in the mirror rod; a fixing plate is mounted in the mirror rod, and an adjusting plate and a detection lens are mounted on the fixing plate through elastic rods; a top seat is installed on the sliding groove in the fixing plate, an elastic layer is installed on the top seat, and the elastic layer makes contact with the adjusting plate; a first knob is mounted on the mounting rod and drives the top seat to move through a traction rope; a second knob is mounted on the mounting rod and drives the piston to move in the closed cylinder; according to the invention, the structure is simple, the inclination angle and the inclination direction of the adjusting plate are adjusted, and the transparent isolation tube is matched, so that the detection lens can have an approximately spherical visual angle range besides the axial direction of the lens rod, and a doctor can fully observe an articular cavity from different observation angles and different observation visual angles.

The invention relates to the technical field of medical auxiliary instruments, in particular to an arthroscopic surgery electromagnetic navigation robot which comprises an operating bed, a first robot and a second robot are arranged on one side of the operating bed, an electromagnetic generator assembly is installed on the operating bed, and a guide needle is detachably installed at the movable end of the first robot; an electromagnetic receiver is installed on the guide pin, and an ultrasonic imaging assembly is installed at the movable end of the second robot. According to the invention, the robot is used for replacing people for operation, and a part with a navigation function is arranged, so that the operation can be more accurately implemented and completed.

The utility model provides a flushing and sucking integrated arthroscope device, which comprises an arthroscope main body, an arthroscope sheath, a cable, a liquid inlet tube, a liquid discharge tube and an arthroscope tube, and is characterized in that one end of the arthroscope main body is connected with the cable, the liquid inlet tube and the liquid discharge tube, and the other end of the arthroscope main body is connected with the arthroscope tube; the arthroscope sheath is arranged outside the arthroscope tube in a sleeving manner and is detachably connected with the arthroscope main body through a fixing mechanism, a camera is arranged at the tail end of the arthroscope tube, an adjusting valve is arranged in the arthroscope main body, and the adjusting valve is connected with the liquid inlet tube and the liquid outlet tube; a liquid inlet channel and a liquid outlet channel are arranged in the endoscope sheath and the endoscope tube, the liquid inlet channel and the liquid outlet channel are not communicated with each other, the liquid inlet channel and the liquid outlet channel control liquid inlet and liquid outlet through the adjusting valve, liquid inlet and liquid outlet can be carried out at the same time, liquid inlet or liquid outlet can be carried out independently, liquid inlet and liquid outlet are carried out through different channels, and the operation is convenient. Mutual isolation is realized.

Arthroscopes and laparoscopes are available in several lens cuts to cover different clinical situations of interest, with the surgeon having to exchange the optics in order to change the direction of view of the camera. The presently disclosed embodiments disclose real-time image processing systems and methods that enable the user to arbitrarily change the direction of view of a surgical camera with the advantage of avoiding the disruption in workflow caused by the physical exchange of the optics. In addition, the presently disclosed embodiments disclose performing zoom along an arbitrary viewing direction (directional zoom) that enables to increase the scale of a region of interest without decreasing the overall field-of-view or losing image contents.

An optical cannula system can include a cannula, a body, a first tube, a second tube, and a valve assembly. An outer cannula wall can define an interior space extending along an axis of the cannula. One or more inner cannula walls within the outer cannula wall can divide the interior space into a first channel and a second channel. A proximal portion of the cannula can be received within the body. The first and second tubes can extend from the body. The valve assembly can have a first configuration in which the first tube is in fluid communication with the first channel and the second tube is in fluid communication with the second channel. The valve assembly can have a second configuration in which the first tube is in fluid communication with the second channel and the second tube is in fluid communication with the first channel.

Surgical methods and devices that facilitate registration of arthroscopic video to preoperative models are disclosed. With this technology, a machine learning model is applied to diagnostic video data captured via an arthroscope to identify an anatomical structure. An anatomical structure in a three-dimensional (3D) anatomical model is registered to the anatomical structure represented in the diagnostic video data. The 3D anatomical model is generated from preoperative image data. The anatomical structure is then tracked intraoperatively based on the registration and without requiring fixation of fiducial markers to the patient anatomy. A simulated projected view of the registered anatomical structure is generated from the 3D anatomical model based on a determined orientation of the arthroscope during capture of intraoperative video data. The simulated projected view is scaled and oriented based on one or more landmark features of the anatomical structure extracted from the intraoperative video data.

The invention discloses an arthroscope with a variable viewing angle for orthopedic surgery, and relates to the technical field of medical instruments, the arthroscope comprises a control handle, the control handle is provided with an arthroscope body in a penetrating manner, the end part of the arthroscope body is provided with an auxiliary disc, the auxiliary disc is provided with an LED light source for auxiliary illumination, and the side of the LED light source is provided with a camera. According to the arthroscope with the variable visual angle for the orthopedic surgery, when a user needs to adjust the angle of a camera, the user only needs to rotate a rotary knob, so that a visual angle adjusting mechanism starts to operate, the internal pressure of a micro soft actuator is increased at the moment, and deformation and bending occur; the deformed and bent miniature soft actuator can synchronously drive the auxiliary disc to perform angle change, so that the camera is further adjusted, an operator can realize visual angle adjustment only by adjusting a knob, the operation of angle adjustment is simplified, the operation efficiency is improved, a wider visual field is provided for an operation, and the operation safety is improved. And the flexibility of surgical operation is improved.

The invention discloses a head-steerable arthroscope planer tool based on soft hydraulic drive, which comprises an operating handle and a hollow main rod connected with the operating handle, the free end of the hollow main rod is connected with a soft driver, and the soft driver comprises a soft tube. A central channel is formed in the side wall of the flexible pipe, a plurality of axially-arranged hydraulic cavities are formed in the side wall of the flexible pipe around the central channel, a planing window is formed in one side of the free end of the flexible pipe, a rotatable planing tool bit is arranged in the planing window, and a liquid pump, a control module and a low-pressure liquid storage device connected with the liquid pump are installed in the operating handle; a plurality of fluid control valves in one-to-one correspondence with the hydraulic cavities are further arranged in the operating handle, the fluid control valves are communicated with the hydraulic cavities through corresponding hydraulic micro-pipes, the hollow main rod is provided with a flexible transmission shaft connected with the planing tool bit, and one end of the flexible transmission shaft is connected with a motor. The planer tool can solve the problems that an existing planer tool for the arthroscope cannot continuously adjust the working angle and cannot actively adapt to complex anatomical forms.

The utility model relates to a semi-open type arthroscope retractor, which belongs to the technical field of medical instruments and comprises a main body ring, an extension ring and a retraction sheet, the extension ring is connected and communicated with the main body ring, the main body ring is used for being held by a hand of an operator, the extension ring is used for extending the position of the retraction sheet, the retraction sheet is fixedly connected to the bottom of the extension ring, and the retraction sheet is fixedly connected with the extension ring. And the retraction sheet is an arc-shaped sheet. Due to the annular design of the main body and the extension ring, a tool can extend into a notch position from a central position for operation.

The invention relates to the technical field of medical apparatus and instruments, and discloses a multi-degree-of-freedom flexible arthroscope bite forceps which comprise a bite forceps assembly, the bite forceps assembly comprises two bite head bodies, one end of each bite head body is integrally connected with a hinge joint, the interior of each hinge joint is rotatably connected with a first pin shaft, and the outer surface of each first pin shaft is sleeved with a torsional spring; connecting plates are rotationally connected to the two ends of the first pin shaft, a second pin shaft is rotationally connected between the two connecting plates, and a U-shaped plate is rotationally connected to the outer surface of the second pin shaft. By means of the handle control assembly, through cooperation of the finger ring, the L-shaped rod and the traction line, opening and closing of the biting head body can be easily controlled, diseased tissue is bitten, meanwhile, the angle of the connecting plate and the angle of the U-shaped plate can be adjusted by rotating the first rotary knob and the second rotary knob, the biting forceps can flexibly change the posture and accurately reach the complex position in the joint, and the working efficiency is improved. Regions, such as the deep edge of the meniscus of the knee joint, which are difficult to touch by traditional bite forceps, are effectively prevented from damaging surrounding normal tissues, and the operation difficulty is reduced.

A bipolar radiofrequency (RF) device for treating tissue in the presence of an electrically conductive fluid includes a headpiece and a probe. The handpiece has a motor drive, a receiving channel, and an active electrical contact on an inner wall of the receiving channel. A return electrical contact is disposed proximally of the active electrical contact on the inner wall of the receiving channel. A probe includes a proximal hub and an elongated shaft extending distally about a longitudinal axis from the proximal hub, and the hub being may be inserted into and removed from the receiving channel of the handpiece. A working end of the probe is located at a distal end of the elongated shaft, and the working end includes an active electrode and a return electrode. A return electrical contact is located proximally of an active electrical contact on an outer surface of the hub. In this way, the return electrical contacts in the receiving channel and on the outer surface of the hub, respectively, and the achieve electrical contacts in the receiving channel and on the outer surface of the hub, respectively, engage each other when the hub is inserted into the receiving channel of the handpiece.

Arthroscopes and laparoscopes are available in several lens cuts to cover different clinical situations of interest, with the surgeon having to exchange the optics in order to change the direction of view of the camera. The presently disclosed embodiments disclose real-time image processing systems and methods that enable the user to arbitrarily change the direction of view of a surgical camera with the advantage of avoiding the disruption in workflow caused by the physical exchange of the optics. In addition, the presently disclosed embodiments disclose performing zoom along an arbitrary viewing direction (directional zoom) that enables to increase the scale of a region of interest without decreasing the overall field-of-view or losing image contents.

This invention provides a biomimetic training model for temporomandibular arthroscopic disc reduction and suturing. The biomimetic training model includes: a skull model with several traction positioning components; a simulated articular disc; a simulated joint capsule including a superior and inferior joint capsule, which are respectively connected to the upper and lower surfaces of the simulated articular disc; the superior joint capsule has an upper opening, and the inferior joint capsule has a lower opening; a temporal bone connector connected to the upper opening and detachably connected to the temporal bone of the skull model; a mandibular bone connector connected to the lower opening and detachably connected to the mandible of the skull model; and several traction components, one end of which is connected to the simulated articular disc, and the other end is adapted to be detachably connected to the traction positioning components, thereby adapting the shape and position of the simulated articular disc by connecting the traction components to the traction positioning components.

A surgical device for arthroscopy includes an insertion arm having a folded contact end, a handle connected to a connection end of the insertion arm, opposite to the folded contact end, and extending transversely to the insertion arm, and a retrieval element connected to the insertion arm and mobile along the insertion arm between a retracted position and an extracted position in which it intercepts a leading end of a suture thread at the folded contact end, and mobile between the extracted position and the retracted position in which it holds the leading end. The retrieval element is a basket made of flexible material defining a containment volume for receiving said leading end of the suture thread. The containment volume is configured to expand in the transition between the retracted position and the extracted position and to shrink in the transition between the extracted position and the retracted position.

The utility model discloses a double-channel arthroscope approach cannula, and particularly relates to the technical field of medical instruments, the double-channel arthroscope approach cannula comprises an approach end, a cannula main body and an outer end which are connected in sequence, a through approach channel is arranged in the cannula main body, a straight double-hole gasket is arranged in the approach channel, and the outer end of the cannula main body is connected with the straight double-hole gasket. The double-opening gasket divides the inlet channel into a first channel and a second channel, a sealing gasket is installed at the outer end, a circle of annular take-up ring is fixed to the edge of the outer side wall of the sealing gasket, a plurality of take-up grooves extending inwards are formed in the edge of the take-up ring, and a rotatable take-up mechanism is installed at the outer end of each take-up groove. In the operation process, the suture lines can be conveniently arranged and distinguished, the disorder and confusion phenomena of the operation suture lines are reduced, meanwhile, the two channels can respectively pass through an arthroscope and an instrument, operation is convenient, mutual interference is avoided, the operation efficiency is improved, and the error rate is reduced.

The application relates to the technical field of deep learning, in particular to an arthroscopic image real-time abnormality recognition system based on deep learning. The system identifies the high light performance degree of different regions in the image during model recognition, analyzes the high light performance and the probability value deviation of interframe pixel points, extracts the dynamic change trend of the target region pixel points in continuous frames, and obtains the consistent degree of performance in time sequence. The system further analyzes the covering influence of high light on the region in the time sequence video, and then adjusts the segmentation confidence degree by using the segmentation degree of the pixel points in the initial target region which is influenced by the high light, compensates the region information which is partially blocked or blurred through multi-frame fusion, and obtains the final target region for model training. Through interframe high light feature and region fusion processing, the application reduces error accumulation and high light interference, obtains a more accurate and complete abnormal region, and effectively improves the recognition precision of deep learning.

The invention belongs to the technical field of minimally invasive surgery robots and medical instruments, and discloses a modular self-telescopic steerable arthroscope system based on a rod-driven continuum structure. The system is mainly composed of a modular arthroscope body and a driving system with closed-loop control capability. The system has the flexibility of a continuum robot, the flexibility of the arthroscope in an unstructured environment is enhanced, the visual range of the arthroscope is widened, and the surgical risk during use is reduced. Due to the modular design, the expansibility of the arthroscope is enhanced, and meanwhile no-dead-corner disinfection of the whole structure is facilitated. The telescopic characteristic ensures that the camera module is prevented from being injured before entering a human body, and meanwhile, the bending radius is adjustable.